[INFO] crate libvpx-sys 1.4.2 is already in cache
[INFO] extracting crate libvpx-sys 1.4.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/libvpx-sys/1.4.2
[INFO] extracting crate libvpx-sys 1.4.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libvpx-sys/1.4.2
[INFO] validating manifest of libvpx-sys-1.4.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libvpx-sys-1.4.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libvpx-sys-1.4.2
[INFO] finished frobbing libvpx-sys-1.4.2
[INFO] frobbed toml for libvpx-sys-1.4.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/libvpx-sys/1.4.2/Cargo.toml
[INFO] started frobbing libvpx-sys-1.4.2
[INFO] finished frobbing libvpx-sys-1.4.2
[INFO] frobbed toml for libvpx-sys-1.4.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libvpx-sys/1.4.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing libvpx-sys-1.4.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/libvpx-sys/1.4.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a7a7543df13da00de2082fb3bf33ed58b0032ff6fde9627c8168a348497006f5
[INFO] running `"docker" "start" "-a" "a7a7543df13da00de2082fb3bf33ed58b0032ff6fde9627c8168a348497006f5"`
[INFO] [stderr]    Compiling libvpx-sys v1.4.2 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `libvpx-sys v1.4.2 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/libvpx-sys-7263ca9b1a803501/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: "`\"pkg-config\" \"--static\" \"--libs\" \"--cflags\" \"vpx\"` did not exit successfully: exit code: 1\n--- stderr\nPackage vpx was not found in the pkg-config search path.\nPerhaps you should add the directory containing `vpx.pc\'\nto the PKG_CONFIG_PATH environment variable\nNo package \'vpx\' found\n"', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55fa6411ed53 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55fa6411a8db - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55fa6411db66 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55fa6411d8f9 - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55fa6411e1bf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55fa6411dd41 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55fa6411dc25 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55fa641335bc - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55fa640bc0a6 - core::result::unwrap_failed::hb1585da726550ab0
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x55fa640bc1ca - core::result::Result<T,E>::unwrap::h4d536e42317f0766
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x55fa640bbee3 - build_script_build::main::h831be60b8c0307f4
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:9
[INFO] [stderr]   11:     0x55fa640bc34f - std::rt::lang_start::{{closure}}::h84f17da8a5c682a4
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55fa6411dc12 - std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x55fa64124959 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x55fa6411e6cc - std::rt::lang_start_internal::he5218c8b95d395f2
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x55fa640bc328 - std::rt::lang_start::hcec6ca48b14b2574
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55fa640bbf49 - main
[INFO] [stderr]   17:     0x7f5d285422e0 - __libc_start_main
[INFO] [stderr]   18:     0x55fa640bb769 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "a7a7543df13da00de2082fb3bf33ed58b0032ff6fde9627c8168a348497006f5"`
[INFO] running `"docker" "rm" "-f" "a7a7543df13da00de2082fb3bf33ed58b0032ff6fde9627c8168a348497006f5"`
[INFO] [stdout] a7a7543df13da00de2082fb3bf33ed58b0032ff6fde9627c8168a348497006f5